Cutlery set with screw, which can be treated as M6 or 4/1 tapwrench.
手柄后梅花孔有螺丝固定套装，另可作M6或4/1螺纹扳手用。
2
Therefore, the overthread screw tap can be matched with a pneumatic wrench having regular hexagonal holes via insertion, and the overthread screw tap has the advantage of high work efficiency.